ONGOING • Browse rare and vintage items from Yves Saint Laurent, Comme des Garçons, Fred Leighton, Stephan Sprouse, and more at Mafalda. Get 20 percent off one piece, or buy two pieces to get half off the lower-priced item. All merchandise in the store’s Treasure Trunk is $15. 360 Atlantic Ave., Brooklyn (347-987-3470); Wed-Sa (12-7), Su (12-6), through 1/29.

• Take an additional 50 percent off sale items at Intermix in-store and online for a total of up to 80 percent off. Various locations and hours, through 1/31.

• The fall-winter collection is 50 percent off at United Nude, with items discounted up to 70 percent off beginning in February. 25 Bond St. (212-420-6000); M-F (11-8), Sa (11-7), Su (11-6); through 2/4.